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index.js
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index.js
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var config = require('config');
var elasticsearch = require('elasticsearch');
var AgentKeepAlive = require('agentkeepalive');
var express = require('express');
var sprintf = require("sprintf-js").sprintf;
var bodyParser = require('body-parser');
var OAuth = require('oauth');
var exphbs = require('express-handlebars');
var OAuth2 = OAuth.OAuth2;
var oauth2 = new OAuth2(config.slack.client_id,
config.slack.client_secret,
'https://slack.com/',
'oauth/authorize',
'api/oauth.access',
null);
var client = new elasticsearch.Client({
host: config.elasticsearch.host,
sniffOnStart: true,
maxSockets: 10,
log: 'error',
createNodeAgent: function (connection, config) {
return new AgentKeepAlive(connection.makeAgentConfig(config));
}
});
var app = express();
app.engine('hb', exphbs({
defaultLayout: 'main',
extname: 'hb'
}));
app.set('view engine', 'hb');
app.enable('view cache');
app.use(express.static('static'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.get('/', function (req, res) {
res.render('home');
});
app.get('/complete', function (req, res) {
res.render('complete', {complete: true});
});
app.get('/oauth', function (req, res) {
oauth2.getOAuthAccessToken(
req.query.code,
{'grant_type':'client_credentials'},
function (e, access_token, refresh_token, results) {
res.redirect('/complete');
}
);
});
app.post('/search', function (req, res) {
if (!(req.body && typeof req.body.text !== 'undefined')) {
return res.status(500).json({
ok: false,
error: "query_missing"
});
}
var searchQuery = req.body.text;
client.search({
index: config.elasticsearch.index,
body: {
query: {
"bool": {
"must": {
match: {
text: searchQuery
},
},
"must_not": [{
"match": {
"seasonEpisode": "S06E14"
}
},{
"match": {
"seasonEpisode": "S09E23"
}
}]
}
}
},
size: 5
}, function (error, response) {
if (error) {
res.json({
"response_type": "ephemeral",
"attachments": [{
"text": 'Oops, there was an error searching for ' + searchQuery,
}]
});
}
var output = {};
if (response && response.hits && response.hits.hits) {
var clips = [];
response.hits.hits.forEach(function(hit) {
var url = config.imageBaseUrl +
'S' + sprintf("%02f", hit._source.season) +
'E' + sprintf("%02f", hit._source.episode) +
'/' + hit._source.frame + '.gif';
var clip = {
id: hit._id,
season: hit._source.season,
episode: hit._source.episode,
url: url,
text: hit._source.text
};
clips.push(clip);
});
if (clips.length === 0) {
return res.json({
"response_type": "ephemeral",
"attachments": [{
"text": 'Could not match ' + searchQuery,
}]
});
}
var clip = clips[Math.floor(Math.random() * (clips.length))];
var text = clip.text.replace("\n",' ');
res.json({
"response_type": "in_channel",
"attachments": [{
"text": 'Season ' + clip.season + ', ' + 'Episode: ' + clip.episode,
"image_url": clip.url
}]
});
}
});
});
client.ping({
requestTimeout: 30000,
}, function (error) {
if (error) {
console.error('Elasticsearch is not available at ' + config.elasticsearch.host);
process.exit(1);
return;
}
app.listen(config.port, function () {
console.log('Server started on port ' + config.port + '.');
});
});